CVE-2008-4933
HighSummary
Przepełnienie bufora w funkcji hfsplus_find_cat w jądrze Linux przed wersją 2.6.28-rc1 umożliwia atakującym spowodowanie odmowy usługi poprzez obraz systemu plików hfsplus z nieprawidłowym polem długości nazwy katalogu. Problem ten jest związany z funkcją hfsplus_cat_build_key_uni.
Risk Assessment
Atakujący mogą wykorzystać tę podatność do usunięcia pamięci lub awarii systemu, co prowadzi do przerwy w dostępności usług. Może to wpłynąć na stabilność i bezpieczeństwo systemu operacyjnego.
Recommendation
Zaleca się aktualizację jądra Linux do wersji 2.6.28-rc1 lub nowszej, aby usunąć tę podatność. Dodatkowo, monitorowanie systemów pod kątem nieautoryzowanych obrazów systemu plików hfsplus może pomóc w zapobieganiu atakom.
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Original NVD description (English source)
Buffer overflow in the hfsplus_find_cat function in fs/hfsplus/catalog.c in the Linux kernel before 2.6.28-rc1 allows attackers to cause a denial of service (memory corruption or system crash) via an hfsplus filesystem image with an invalid catalog namelength field, related to the hfsplus_cat_build_key_uni function.